From: £22.99

  • A convenient pure source of L-Glutamine
  • Produced by a fermentation process

What is L-Glutamine?

L-Glutamine is an amino acid made by our bodies, and found circulating in the blood as well as being stored in the skeletal muscles.

Glutamine becomes conditionally essential (required intake from food or supplements) when the body’s immune system is placed under acute pressure. Dietary sources of L-Glutamine include dairy, fish, certain meats, wheat and certain vegetables. Reflex Nutrition’s L-Glutamine is a convenient way to supplement your intake of this essential amino acid.

Who is it for?

L-Glutamine has been created for athletes who regularly exercise, both men and women.

What are the benefits?

  • A convenient way to supplement this amino acid
  • Tasteless, so can be added to water for ease of consumption
  • Pure glutamine, with no other ingredients

Amino acids are the building blocks of protein, which contributes to the maintenance and growth of muscle mass. Glutamine is the most common amino acid found in the muscles. Glutamine levels are depleted during intense exercise, decreasing strength, endurance and lengthening recovery times.

Recommended Usage

Take 5g (approximately one level 5ml measure) and mix with 300ml of water, or fruit juice.

On training days:Take one serving half an hour prior to exercise, one immediately after exercise and one before bedtime. On non-training days: Take one serving three times daily evenly spaced throughout the day, with one serving before bedtime.

How is it made?

Glutamine is made organically in the body, but it becomes essential when we put our bodies under stress.

Reflex L-Glutamine is produced to the highest quality in a fermentation process.

How does it taste?

L-Glutamine is completely tasteless, allowing you to simply mix with water or juice, drink and enjoy the benefits.

The science behind it

L-Glutamine is conditionally essential, meaning the body can produce enough to satisfy its needs, however, when putting the body under the stress of frequent and intense exercise, during pregnancy and lactation, illness or fasting, the supplementary consumption of L-Glutamine becomes necessary.

L-Glutamine is an amino acid, which are the building blocks of protein, and thus can contribute to the maintenance and growth of muscle mass. 

Anything else?

Tubs come in 250g and 500g offering 50 or 100 servings.

Suitable for

  • Vegetarians: Yes
  • Vegans: Yes
  • Coeliacs: No

L-Glutamine has been certified as Halal safe by The Halal Trust.

For further allergy advice, please read our suitability guide.


100% L-Glutamine produced via a fermentation process.

Nutritional Profile

L-Glutamine typical values - Reflex Nutrition

Product Label



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